Welcome to Capital Cadillac. Capital Cadillac is your Smynra Cadillac dealer serving Atlanta. Whether you’re researching a new cadillac, a certified pre-pwned Cadillac or looking for a reliable service and parts department, our regional Atlanta Cadillac new and used car dealership in Smyrna, GA can accommodate all of your needs. We are also a regional Marietta, Sandy Springs and Chamblee Cadillac dealer.